Home / 186,315.96-279,477.60-53,200.56

Finding the Fourth Proportional to 186,315.96, 279,477.60 and 53,200.56

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Solution

The fourth proportional to 186,315.96, 279,477.60 and 53,200.56 is: 79,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,315.96 : 279,477.60 = 53,200.56 : x
  2. Step 2: Convert to fraction form
    186,315.96/279,477.60 = 53,200.56/x
  3. Step 3: Cross multiply
    186,315.96x = 279,477.60 × 53,200.56
  4. Step 4: Simplify right side
    186,315.96x = 14,868,364,827.46
  5. Step 5: Solve for x
    x = 14,868,364,827.46/186,315.96
  6. Step 6: Final answer
    x = 79,801.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.